Move missed files to libdexfile

Reduce the dependencies on utf and utils in preparation for separate
directory.

Bug: 22322814
Test: make -j 50 test-art-host
      make -j 50 dexdump2 dexlist

Change-Id: Icdecf895dafec63ef903514eef79d459abc14925
diff --git a/runtime/art_field.h b/runtime/art_field.h
index 46b013d..0eeeef2 100644
--- a/runtime/art_field.h
+++ b/runtime/art_field.h
@@ -20,8 +20,8 @@
 #include <jni.h>
 
 #include "dex/dex_file_types.h"
+#include "dex/modifiers.h"
 #include "gc_root.h"
-#include "modifiers.h"
 #include "obj_ptr.h"
 #include "offsets.h"
 #include "primitive.h"